JEFFERIES, B. THE RIESZ-DUNFORD AND WEYL FUNCTIONAL CALCULI. Journal of the Indonesian Mathematical Society, [S. l.], v. 13, n. 1, p. 51–59, 2012. DOI: 10.22342/jims.13.1.74.51-59. Disponível em: https://jims-a.org/index.php/jimsa/article/view/74. Acesso em: 4 may. 2024.